ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] In an investigation into the progress of changes to the electrical parameters of tungsten filaments in thermionic devices, which will be published later, it was soon found that the Langmuir values can lead to errors. For example, at the operating temperature of valve heaters (about 1,100 C), errors ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/196565a0
Permalink